A Table Is in 4NF If It Is in 3NF

question 94

Multiple Choice

A table is in 4NF if it is in 3NF and ____.

• A) all attributes must be dependent on the primary key, and must be dependent on each other
• B) all attributes are unrelated
• C) has no multivalued dependencies
• D) no column contains the same values

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Definitions:

Lighting

The manipulation or use of light sources to achieve practical or aesthetic effects in environments.

Social Media

Online platforms that facilitate the creation, sharing, and exchange of content and ideas among users.

Sleep Patterns

Refers to the rhythms of sleep and wakefulness, which are influenced by the 24-hour cycle, personal habits, and lifestyle choices.

Paradoxical Sleep

Another term for REM (Rapid Eye Movement) sleep, characterized by active brain patterns and vivid dreaming.